Critical Risk →

msf_session_destroy

Destroy a specific Metasploit session.

How to control msf_session_destroy ↓

AI agents call msf_session_destroy to permanently remove resources in Zebbern Kali MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

Critical Risk

Destroying a Metasploit session is an irreversible operation that permanently terminates an active session (shell, meterpreter, etc.). This cannot be undone — once destroyed, the session and any associated context/state is permanently lost. Combined with the server context (Kali Linux pentest toolkit, Metasploit framework), misuse could terminate critical active sessions during a penetration test engagement.

From the tool's definition 'Destroy a specific Metasploit session' — 'destroy' indicates an irreversible termination action

Documented attack patterns abuse exactly the kind of access msf_session_destroy gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and Zebbern Kali MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for msf_session_destroy:

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "msf_session_destroy"
  ]
}

msf_session_destroy disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

  1. Create a free account and register Zebbern Kali MCP — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the msf_session_destroy tool do? +

Destroy a specific Metasploit session. It is categorised as a Destructive tool in the Zebbern Kali MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on msf_session_destroy? +

Register the Zebbern Kali MCP server in PolicyLayer and add a rule for msf_session_destroy: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Zebbern Kali MCP. Nothing to install.

What risk level is msf_session_destroy? +

msf_session_destroy is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit msf_session_destroy? +

Yes. Add a rate_limit block to the msf_session_destroy rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block msf_session_destroy completely? +

Set action: deny in the PolicyLayer policy for msf_session_destroy. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides msf_session_destroy? +

msf_session_destroy is provided by the Zebbern Kali MCP server (zebbern/zebbern-kali-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Zebbern Kali MCP tool call.

Deterministic rules across all 128 Zebbern Kali MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

128 Zebbern Kali MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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